telegraf/plugins/inputs/interrupts/interrupts_test.go

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package interrupts
import (
"bytes"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestParseInterrupts(t *testing.T) {
interruptStr := ` CPU0 CPU1
0: 134 0 IO-APIC-edge timer
1: 7 3 IO-APIC-edge i8042
NMI: 0 0 Non-maskable interrupts
LOC: 2338608687 2334309625 Local timer interrupts
MIS: 0
NET_RX: 867028 225
TASKLET: 205 0`
f := bytes.NewBufferString(interruptStr)
parsed := []IRQ{
IRQ{
ID: "0", Type: "IO-APIC-edge", Device: "timer",
Cpus: []int64{int64(134), int64(0)}, Total: int64(134),
},
IRQ{
ID: "1", Type: "IO-APIC-edge", Device: "i8042",
Cpus: []int64{int64(7), int64(3)}, Total: int64(10),
},
IRQ{
ID: "NMI", Type: "Non-maskable interrupts",
Cpus: []int64{int64(0), int64(0)}, Total: int64(0),
},
IRQ{
ID: "LOC", Type: "Local timer interrupts",
Cpus: []int64{int64(2338608687), int64(2334309625)},
Total: int64(4672918312),
},
IRQ{
ID: "MIS", Cpus: []int64{int64(0)}, Total: int64(0),
},
IRQ{
ID: "NET_RX", Cpus: []int64{int64(867028), int64(225)},
Total: int64(867253),
},
IRQ{
ID: "TASKLET", Cpus: []int64{int64(205), int64(0)},
Total: int64(205),
},
}
got, err := parseInterrupts(f)
require.Equal(t, nil, err)
require.NotEqual(t, 0, len(got))
require.Equal(t, len(got), len(parsed))
for i := 0; i < len(parsed); i++ {
assert.Equal(t, parsed[i], got[i])
for k := 0; k < len(parsed[i].Cpus); k++ {
assert.Equal(t, parsed[i].Cpus[k], got[i].Cpus[k])
}
}
}
// Tests #4470
func TestParseInterruptsBad(t *testing.T) {
interruptStr := ` CPU0 CPU1 CPU2 CPU3
16: 0 0 0 0 bcm2836-timer 0 Edge arch_timer
17: 127224250 118424219 127224437 117885416 bcm2836-timer 1 Edge arch_timer
21: 0 0 0 0 bcm2836-pmu 9 Edge arm-pmu
23: 1549514 0 0 0 ARMCTRL-level 1 Edge 3f00b880.mailbox
24: 2 0 0 0 ARMCTRL-level 2 Edge VCHIQ doorbell
46: 0 0 0 0 ARMCTRL-level 48 Edge bcm2708_fb dma
48: 0 0 0 0 ARMCTRL-level 50 Edge DMA IRQ
50: 0 0 0 0 ARMCTRL-level 52 Edge DMA IRQ
51: 208 0 0 0 ARMCTRL-level 53 Edge DMA IRQ
54: 883002 0 0 0 ARMCTRL-level 56 Edge DMA IRQ
59: 0 0 0 0 ARMCTRL-level 61 Edge bcm2835-auxirq
62: 521451447 0 0 0 ARMCTRL-level 64 Edge dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1
86: 857597 0 0 0 ARMCTRL-level 88 Edge mmc0
87: 4938 0 0 0 ARMCTRL-level 89 Edge uart-pl011
92: 5669 0 0 0 ARMCTRL-level 94 Edge mmc1
FIQ: usb_fiq
IPI0: 0 0 0 0 CPU wakeup interrupts
IPI1: 0 0 0 0 Timer broadcast interrupts
IPI2: 23564958 23464876 23531165 23040826 Rescheduling interrupts
IPI3: 148438 639704 644266 588150 Function call interrupts
IPI4: 0 0 0 0 CPU stop interrupts
IPI5: 4348149 1843985 3819457 1822877 IRQ work interrupts
IPI6: 0 0 0 0 completion interrupts`
f := bytes.NewBufferString(interruptStr)
parsed := []IRQ{
IRQ{
ID: "16", Type: "bcm2836-timer", Device: "0 Edge arch_timer",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "17", Type: "bcm2836-timer", Device: "1 Edge arch_timer",
Cpus: []int64{127224250, 118424219, 127224437, 117885416}, Total: 490758322,
},
IRQ{
ID: "21", Type: "bcm2836-pmu", Device: "9 Edge arm-pmu",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "23", Type: "ARMCTRL-level", Device: "1 Edge 3f00b880.mailbox",
Cpus: []int64{1549514, 0, 0, 0}, Total: 1549514,
},
IRQ{
ID: "24", Type: "ARMCTRL-level", Device: "2 Edge VCHIQ doorbell",
Cpus: []int64{2, 0, 0, 0}, Total: 2,
},
IRQ{
ID: "46", Type: "ARMCTRL-level", Device: "48 Edge bcm2708_fb dma",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "48", Type: "ARMCTRL-level", Device: "50 Edge DMA IRQ",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "50", Type: "ARMCTRL-level", Device: "52 Edge DMA IRQ",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "51", Type: "ARMCTRL-level", Device: "53 Edge DMA IRQ",
Cpus: []int64{208, 0, 0, 0}, Total: 208,
},
IRQ{
ID: "54", Type: "ARMCTRL-level", Device: "56 Edge DMA IRQ",
Cpus: []int64{883002, 0, 0, 0}, Total: 883002,
},
IRQ{
ID: "59", Type: "ARMCTRL-level", Device: "61 Edge bcm2835-auxirq",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "62", Type: "ARMCTRL-level", Device: "64 Edge dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1",
Cpus: []int64{521451447, 0, 0, 0}, Total: 521451447,
},
IRQ{
ID: "86", Type: "ARMCTRL-level", Device: "88 Edge mmc0",
Cpus: []int64{857597, 0, 0, 0}, Total: 857597,
},
IRQ{
ID: "87", Type: "ARMCTRL-level", Device: "89 Edge uart-pl011",
Cpus: []int64{4938, 0, 0, 0}, Total: 4938,
},
IRQ{
ID: "92", Type: "ARMCTRL-level", Device: "94 Edge mmc1",
Cpus: []int64{5669, 0, 0, 0}, Total: 5669,
},
IRQ{
ID: "IPI0", Type: "CPU wakeup interrupts",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "IPI1", Type: "Timer broadcast interrupts",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "IPI2", Type: "Rescheduling interrupts",
Cpus: []int64{23564958, 23464876, 23531165, 23040826}, Total: 93601825,
},
IRQ{
ID: "IPI3", Type: "Function call interrupts",
Cpus: []int64{148438, 639704, 644266, 588150}, Total: 2020558,
},
IRQ{
ID: "IPI4", Type: "CPU stop interrupts",
Cpus: []int64{0, 0, 0, 0},
},
IRQ{
ID: "IPI5", Type: "IRQ work interrupts",
Cpus: []int64{4348149, 1843985, 3819457, 1822877}, Total: 11834468,
},
IRQ{
ID: "IPI6", Type: "completion interrupts",
Cpus: []int64{0, 0, 0, 0},
},
}
got, err := parseInterrupts(f)
require.Equal(t, nil, err)
require.NotEqual(t, 0, len(got))
require.Equal(t, len(got), len(parsed))
for i := 0; i < len(parsed); i++ {
assert.Equal(t, parsed[i], got[i])
for k := 0; k < len(parsed[i].Cpus); k++ {
assert.Equal(t, parsed[i].Cpus[k], got[i].Cpus[k])
}
}
}